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A mass M, attached to a horizontal spring, executes S.H.M. with amplitude A1. When the mass M passes through its mean position then a smaller mass m is placed over it and both of them move together with amplitude A2. The ratio of (A2/A1 ) is :-
30
Oct
A mass M, attached to a horizontal spring, executes S.H.M. with amplitude A1. When the mass M passes through its mean position then a smaller mass m is placed over it and both of them move together with amplitude A2. The ratio of (A2/A1 ) is :- A coin is placed on a horizontal platform [...]
A body of mass 2 kg initially at rest moves under the action of an applied horizontal force of 7 N on a table with coefficient of kinetic friction = 0.1. Compute the (a) work done by the applied force in 10 s. (b) work done by friction in 10 s, (c) work done by the net force on the body in 10 s, (d) change in kinetic energy of the body in 10 s, and interpret your results.
30
Oct
A body of mass 2 kg initially at rest moves under the action of an applied horizontal force of 7 N on a table with coefficient of kinetic friction = 0.1. Compute the (a) work done by the applied force in 10 s. (b) work done by friction in 10 s, (c) work done by [...]
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a motorist follows a track that turns to his left by an angle of 60° after every 500 m. Starting from a given turn ,
On an open ground ,
sixth and eighth turn. Compare the magnitude of the displacement with the total path length covered by the motorist in each case. ,
specify the displacement of the motorist at the third ,
A particle is subjected to two simple harmonic motions: x1 = A1 sin omega t and x2 = A2 sin (omega t + pie / 3). Find (a) the displacement at t = 0, (b) the maximum speed of the particle
30
Oct
A particle is subjected to two simple harmonic motions: x1 = A1 sin omega t and x2 = A2 sin (omega t + pie / 3). Find (a) the displacement at t = 0, (b) the maximum speed of the particle (b) the maximum speed of the particle A particle is subjected to two simple [...]
A bullet fired at an angle of 30^o with the horizontal hits the ground 3.0 km away. By adjusting its angle of projection, can one hope to hit a target 5.0 km away? Assume the muzzle speed to be fixed, and neglect air resistance.
30
Oct
A bullet fired at an angle of 30^o with the horizontal hits the ground 3.0 km away. By adjusting its angle of projection, can one hope to hit a target 5.0 km away? Assume the muzzle speed to be fixed, and neglect air resistance. A bullet fired at an angle of 30^o with the horizontal [...]
A particle starts from the origin at t = 0 s with a velocity of 10.0 j ^ m/s and moves in the x-y plane with a constant acceleration of (8.0 i^ + 2.0 j ^ ) m/s^2 . (a) At what time is the x- coordinate of the particle 16 m? What is the y-coordinate of the particle at that time? (b)What is the speed of the particle at the time ?
30
Oct
A particle starts from the origin at t = 0 s with a velocity of 10.0 j ^ m/s and moves in the x-y plane with a constant acceleration of (8.0 i^ + 2.0 j ^ ) m/s^2 . (a) At what time is the x- coordinate of the particle 16 m? What is the [...]
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a motorist follows a track that turns to his left by an angle of 60° after every 500 m. Starting from a given turn ,
On an open ground ,
sixth and eighth turn. Compare the magnitude of the displacement with the total path length covered by the motorist in each case. ,
specify the displacement of the motorist at the third ,
The position of a particle is given by r = 3.0 t i ^ − 2.0 t^2 j^ + 4.0 k^m where t is in seconds and the coefficients have the proper units for r to be in metres (a) Find the v and a of the particle? (b) What is the magnitude and direction of velocity of the particle at t = 2.0 s ?
30
Oct
The position of a particle is given by r = 3.0 t i ^ − 2.0 t^2 j^ + 4.0 k^m where t is in seconds and the coefficients have the proper units for r to be in metres (a) Find the v and a of the particle? (b) What is the magnitude and direction [...]
Tags:
a motorist follows a track that turns to his left by an angle of 60° after every 500 m. Starting from a given turn ,
On an open ground ,
sixth and eighth turn. Compare the magnitude of the displacement with the total path length covered by the motorist in each case. ,
specify the displacement of the motorist at the third ,
A coin is placed on a horizontal platform, which undergoes vertical SHM of angular frequency ω. The amplitude of oscillation is gradually increased. The coin will leave contact with the platform for the first time
30
Oct
A coin is placed on a horizontal platform, which undergoes vertical SHM of angular frequency ω. The amplitude of oscillation is gradually increased. The coin will leave contact with the platform for the first time A coin is placed on a horizontal platform which undergoes vertical SHM of angular frequency ω. The amplitude of oscillation [...]
An aircraft executes a horizontal loop of radius 1.00 km with a steady speed of 900 km/h. Compare its centripetal acceleration with the acceleration due to gravity.
30
Oct
An aircraft executes a horizontal loop of radius 1.00 km with a steady speed of 900 km/h. Compare its centripetal acceleration with the acceleration due to gravity. An aircraft executes a horizontal loop of radius 1.00 km with a steady speed of 900 km/h. Compare its centripetal acceleration with the acceleration due to gravity. October [...]
x1 = 3 sin omega t; x2 = 4 cos omega t Find (a) amplitude of resultant SHM, (b) equation of the resultant SHM.
30
Oct
x1 = 3 sin omega t; x2 = 4 cos omega t Find (a) amplitude of resultant SHM, (b) equation of the resultant SHM. (b) equation of the resultant SHM. x1 = 3 sin omega t; x2 = 4 cos omega t Find (a) amplitude of resultant SHM October 30, 2020 Category: Uncategorised (JEE Advanced [...]
Given that x1 = 5 sin omega t x2 = 5 sin (omega t + 53) x3 = -10 cos omega t Find amplitude of resultant SHM.
30
Oct
Given that x1 = 5 sin omega t x2 = 5 sin (omega t + 53) x3 = -10 cos omega t Find amplitude of resultant SHM. Given that x1 = 5 sin omega t x2 = 5 sin (omega t + 53) x3 = -10 cos omega t Find amplitude of resultant SHM. October [...]